Which five letter word can be added at the end of below word to form a
valid word?

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Before the start of the car race, John and Jacob have the same amount of fuel in their car. With this fuel, John can drive for 4 hours while Jacob can drive five hours.
After a time they realize that the amount of fuel left in John's car is 1/4th of the fuel in Jacob's.

For how long they are racing?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

What is red and smells like blue paint?

Can you find out which options fits best with the missing column?

What country can make you shiver?

How many times can you subtract the number 5 from 25?

how come the second man dies?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?